CA2235045C - Impeller assembly with asymmetric concave blades - Google Patents

Impeller assembly with asymmetric concave blades Download PDF

Info

Publication number
CA2235045C
CA2235045C CA002235045A CA2235045A CA2235045C CA 2235045 C CA2235045 C CA 2235045C CA 002235045 A CA002235045 A CA 002235045A CA 2235045 A CA2235045 A CA 2235045A CA 2235045 C CA2235045 C CA 2235045C
Authority
CA
Canada
Prior art keywords
impeller
selecting
blades
assembly
impeller assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002235045A
Other languages
English (en)
French (fr)
Other versions
CA2235045A1 (en
Inventor
Andries Bakker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Oilwell Varco LP
Original Assignee
Chemineer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemineer Inc filed Critical Chemineer Inc
Publication of CA2235045A1 publication Critical patent/CA2235045A1/en
Application granted granted Critical
Publication of CA2235045C publication Critical patent/CA2235045C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
    • B01F27/1152—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with separate elements other than discs fixed on the discs, e.g. vanes fixed on the discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced under the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
CA002235045A 1997-04-30 1998-04-15 Impeller assembly with asymmetric concave blades Expired - Lifetime CA2235045C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/846,334 1997-04-30
US08/846,334 US5791780A (en) 1997-04-30 1997-04-30 Impeller assembly with asymmetric concave blades

Publications (2)

Publication Number Publication Date
CA2235045A1 CA2235045A1 (en) 1998-10-30
CA2235045C true CA2235045C (en) 2002-11-05

Family

ID=25297600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002235045A Expired - Lifetime CA2235045C (en) 1997-04-30 1998-04-15 Impeller assembly with asymmetric concave blades

Country Status (5)

Country Link
US (1) US5791780A (de)
EP (1) EP0880993B1 (de)
CA (1) CA2235045C (de)
DE (1) DE69818146T2 (de)
HK (1) HK1016914A1 (de)

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JP3695033B2 (ja) * 1997-01-20 2005-09-14 味の素株式会社 撹拌翼
US7128278B2 (en) 1997-10-24 2006-10-31 Microdiffusion, Inc. System and method for irritating with aerated water
US7654728B2 (en) 1997-10-24 2010-02-02 Revalesio Corporation System and method for therapeutic application of dissolved oxygen
US6386751B1 (en) 1997-10-24 2002-05-14 Diffusion Dynamics, Inc. Diffuser/emulsifier
US6702949B2 (en) 1997-10-24 2004-03-09 Microdiffusion, Inc. Diffuser/emulsifier for aquaculture applications
AT409595B (de) * 1999-02-22 2002-09-25 Gerald Jun Ossig Fluidmischer
US6190033B1 (en) * 1999-04-09 2001-02-20 Pfaulder, Inc. High gas dispersion efficiency glass coated impeller
US6984753B2 (en) * 2001-05-15 2006-01-10 Dow Italia S.R.L. Agitation system for alkylbenzene oxidation reactors
JP3451085B1 (ja) * 2002-09-20 2003-09-29 常夫 野口 風力発電用の風車
US6811296B2 (en) * 2002-11-18 2004-11-02 Spx Corporation Aeration apparatus and method
US6896246B2 (en) * 2002-12-12 2005-05-24 Spx Corporation Aeration apparatus and method
US7114844B2 (en) * 2003-03-03 2006-10-03 Spx Corporation Aeration apparatus and method
DE20307199U1 (de) * 2003-05-08 2003-07-10 Ekato Ruehr Mischtechnik Rührorgan
US20050047268A1 (en) * 2003-08-27 2005-03-03 Chen Chun Yong Stirrer
JP4081478B2 (ja) * 2004-04-22 2008-04-23 エフ．ホフマン−ラ ロシュ アーゲー 攪拌機
KR200366103Y1 (ko) * 2004-05-06 2004-11-03 이우람 약품 순간 혼화 장치
JP4354341B2 (ja) * 2004-06-11 2009-10-28 花王株式会社 反応装置
EP1776999A1 (de) * 2005-10-21 2007-04-25 Abb Research Ltd. Ein Mischer
US20080261299A1 (en) * 2007-04-23 2008-10-23 Zeikus J Gregory Pneumatic Bioreactor
US7628528B2 (en) * 2005-10-26 2009-12-08 PRS Biotech, Inc. Pneumatic bioreactor
US8790913B2 (en) * 2005-10-26 2014-07-29 Pbs Biotech, Inc. Methods of using pneumatic bioreactors
EP2083876A4 (de) 2006-10-25 2012-09-19 Revalesio Corp Verfahren zur wundpflege und -behandlung
US8784898B2 (en) 2006-10-25 2014-07-22 Revalesio Corporation Methods of wound care and treatment
WO2008052145A2 (en) 2006-10-25 2008-05-02 Revalesio Corporation Methods of therapeutic treatment of eyes and other human tissues using an oxygen-enriched solution
US8445546B2 (en) 2006-10-25 2013-05-21 Revalesio Corporation Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures
US8609148B2 (en) 2006-10-25 2013-12-17 Revalesio Corporation Methods of therapeutic treatment of eyes
EP2086668B1 (de) 2006-10-25 2016-11-16 Revalesio Corporation Mischvorrichtung und verfahren
US8784897B2 (en) 2006-10-25 2014-07-22 Revalesio Corporation Methods of therapeutic treatment of eyes
US20080199321A1 (en) * 2007-02-16 2008-08-21 Spx Corporation Parabolic radial flow impeller with tilted or offset blades
US7713730B2 (en) * 2007-04-24 2010-05-11 Pbs Biotech, Inc. Pneumatic bioreactor
US10125359B2 (en) 2007-10-25 2018-11-13 Revalesio Corporation Compositions and methods for treating inflammation
US9745567B2 (en) 2008-04-28 2017-08-29 Revalesio Corporation Compositions and methods for treating multiple sclerosis
US9523090B2 (en) 2007-10-25 2016-12-20 Revalesio Corporation Compositions and methods for treating inflammation
AU2008340236B2 (en) * 2007-12-21 2013-05-09 Philadelphia Mixing Solutions, Ltd. Gas foil impeller
WO2009132192A2 (en) * 2008-04-25 2009-10-29 Pbs Biotech, Inc. Bioreactor apparatus
CA2723215A1 (en) 2008-05-01 2009-11-05 Revalesio Corporation Compositions and methods for treating digestive disorders
US8201990B2 (en) * 2008-10-08 2012-06-19 Ovivo Luxembourg S.à r.l. Mixing impeller
US8152362B2 (en) * 2008-10-17 2012-04-10 Dci, Inc. Mixer and methods of mixing
US8066477B2 (en) 2009-03-02 2011-11-29 Dalmatian Hunter Holdings Ltd. Staged centrifugal pump apparatus for pumping a viscous fluid
US8815292B2 (en) 2009-04-27 2014-08-26 Revalesio Corporation Compositions and methods for treating insulin resistance and diabetes mellitus
CA2798690A1 (en) 2010-05-07 2011-11-10 Revalesio Corporation Compositions and methods for enhancing physiological performance and recovery time
MX2013001636A (es) 2010-08-12 2013-05-01 Revalesio Corp Composiciones y metodos para el tratamiento de taupatias
DE102011077877A1 (de) 2011-06-21 2012-12-27 Gerhard Jürgen Schindele Axial-rührer zum suspendieren von substraten und dispergieren von gasen in miitel- bis hochviskosen medien
US9643141B2 (en) 2011-10-27 2017-05-09 Trimr, Llc Shakeable container with agitator
WO2013075236A1 (en) 2011-11-24 2013-05-30 Li Wang Mixing impeller having channel-shaped vanes
US9108170B2 (en) 2011-11-24 2015-08-18 Li Wang Mixing impeller having channel-shaped vanes
USD804247S1 (en) * 2012-10-26 2017-12-05 Trimr, Llc Agitator on straw or rod for a shakable container
CA156862S (en) * 2013-12-04 2015-01-14 Outotec Finland Oy Impeller for hydrometallurgical mixer
JP6632549B2 (ja) 2014-08-13 2020-01-22 ベルサリス、ソシエタ、ペル、アチオニＶｅｒｓａｌｉｓ Ｓ．Ｐ．Ａ． ロータおよび攪拌装置
CA2863373C (en) * 2014-09-12 2015-12-22 Dalmatian Hunter Holdings Ltd. Submersible disk-type pump for viscous and solids-laden fluids having helical inducer
CN105854664B (zh) * 2016-04-27 2017-12-29 江南大学 一种装配扇环型凹面叶片的气液分散搅拌器装置
US10408190B2 (en) * 2016-10-07 2019-09-10 Robert B. Deioma Wind turbine with open back blade
CN109267828B (zh) * 2018-12-07 2024-01-16 湖北科技学院 一种一对多电子钥匙及与之配合的防盗锁
USD953388S1 (en) 2019-08-30 2022-05-31 Kazuo Sato Food industry machine
CN111115751B (zh) * 2019-12-06 2022-05-17 共青科技职业学院 一种离心式旋流空化发生器
DE102020127989A1 (de) 2020-10-23 2022-04-28 Uutechnic Oy Begasungsturbine
CN115501371A (zh) * 2021-06-22 2022-12-23 金赞洙 香烛加热器
CN114653117B (zh) * 2022-05-18 2023-12-19 大连海事大学 一种海水过滤器

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DE123731C (de) *
US4193A (en) * 1845-09-13 Leonard phleger
CA451893A (en) * 1948-10-12 D. Miller Frank Dispersing agitator
US636400A (en) * 1898-03-18 1899-11-07 Goste Friedman Cake-beater.
GB190816592A (en) * 1908-08-06 1909-08-05 Ladislav Vojacek Improvements relating to Fans, Pumps, Propellers, and the like.
US1372834A (en) * 1919-06-26 1921-03-29 Schmelzer Bruno Propeller
US2350939A (en) * 1943-04-22 1944-06-06 Verner E Sprouse Blower
DE2207144A1 (de) * 1972-02-16 1973-08-30 Schoeller Bleckmann Stahlwerke Begasungsvorrichtung mit fluegelartigen ruehrarmen
US3879949A (en) * 1972-11-29 1975-04-29 Biphase Engines Inc Two-phase engine
US4305673A (en) * 1980-03-25 1981-12-15 General Signal Corporation High efficiency mixing impeller
US4519715A (en) * 1981-11-30 1985-05-28 Joy Manufacturing Company Propeller
SE461444B (sv) * 1985-11-21 1990-02-19 Boerje Skaanberg Impellerapparat foer omroerning av vaetska under dispergering av gas daeri
US5198156A (en) * 1986-02-17 1993-03-30 Imperial Chemical Industries Plc Agitators
GB8603904D0 (en) * 1986-02-17 1986-03-26 Ici Plc Agitators
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US5316443A (en) * 1991-10-04 1994-05-31 Chemineer, Inc. Reversible mixing impeller
US5246342A (en) * 1992-07-09 1993-09-21 Bergstein Frank D Wind rotor apparatus

Also Published As

Publication number Publication date
DE69818146T2 (de) 2004-05-13
EP0880993B1 (de) 2003-09-17
HK1016914A1 (en) 1999-11-12
EP0880993A1 (de) 1998-12-02
CA2235045A1 (en) 1998-10-30
DE69818146D1 (de) 2003-10-23
US5791780A (en) 1998-08-11

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20180416